Store standalone web app data in WebappDataStorage as well as the homescreen intent.

chrome/browser/android/banners/app_banner_infobar_delegate_android.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/android/banners/app_banner_infobar_delegate_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/guid.h"
 #include "base/location.h"
@@ skipping 235 matching lines @@
     AppBannerSettingsHelper::RecordBannerInstallEvent(
         web_contents, web_app_data_.start_url.spec(),
         AppBannerSettingsHelper::WEB);
 
     ShortcutInfo info(GURL::EmptyGURL());
     info.UpdateFromManifest(web_app_data_);
     info.UpdateSource(ShortcutInfo::SOURCE_APP_BANNER);
 
     const std::string& uid = base::GenerateGUID();
     content::BrowserThread::PostTask(
-        content::BrowserThread::IO,
-        FROM_HERE,
-        base::Bind(&ShortcutHelper::AddShortcutInBackgroundWithSkBitmap,
-                   info,
-                   uid,
-                   *app_icon_.get()));
-    data_fetcher_->FetchWebappSplashScreenImage(uid);
+        content::BrowserThread::IO, FROM_HERE,
+        base::Bind(&ShortcutHelper::AddShortcutInBackgroundWithSkBitmap, info,
+                   uid, *app_icon_.get(),
+                   data_fetcher_->FetchWebappSplashScreenImageCallback(uid)));
 
     SendBannerAccepted(web_contents, "web");
     return true;
   }
 
   return true;
 }
 
 bool AppBannerInfoBarDelegateAndroid::LinkClicked(
     WindowOpenDisposition disposition) {
@@ skipping 19 matching lines @@
 
   TrackDismissEvent(DISMISS_EVENT_BANNER_CLICK);
   return true;
 }
 
 bool RegisterAppBannerInfoBarDelegateAndroid(JNIEnv* env) {
  return RegisterNativesImpl(env);
 }
 
 }  // namespace banners